1.
听材料,回答问题。
(1)
What do the speakers mainly talk about?
A.
Smart cities.
B.
Information safety.
C.
Energy production.
(2)
Which is among the man's research focuses?
A.
Data management.
B.
Equality promotion.
C.
Traffic release.
(3)
What does the man mean in the end?
A.
Personal information can be secured.
B.
Greater security can be achieved.
C.
Data leakage will never happen.